Plunk vs Sender

See how their public offers line up before you choose your own position. Prices stay in the currency, billing schedule, and charged unit each vendor publishes.

Plunk

See full pricing history

USD · US · source: www.useplunk.com

Plan	Pricing	Charged by	Offer type
Free — Free	Free Free forever 1,000 emails per month	Flat · 1,000 emails / mo	Standalone · Free
Paid — Pay as you grow Highlighted	$0.001 per email $0.001 per email	Usage · $0.001 per email	Standalone · Usage based

Sender

See full pricing history

USD · US · source: www.sender.net

Plan	Pricing	Charged by	Offer type
Free Forever	Free $0/month	Flat · per month	Standalone · Free
Standard	USD 7 monthly $7/month for 1,000 subscribers and 12,000 emails/month	Flat · per month	Standalone · Fixed
Professional Highlighted	USD 14 monthly $14/month for 1,000 subscribers and 24,000 emails/month	Flat · per month	Standalone · Fixed

What each plan includes

Feature names follow each vendor’s own pricing page, so verify the wording before treating them as exact equivalents.

Plunk

Free — Free

Highlights Emails per month: 1,000 emails

Included
Highlights Credit card required: No

Included
Highlights Transactional emails: Included
Highlights Workflow automation: Included
Highlights Campaign broadcasts: Included
Highlights Custom domains: Included
Highlights Click & open tracking: Included
Highlights Unlimited contacts: Included
Highlights Plunk branding on emails: Included

Paid — Pay as you grow

Highlights Emails per month: Unlimited emails

Included
Highlights Plunk branding on emails: No

Excluded
Highlights Monthly spend cap: Yes

Included

Sender

Free Forever

Plan card Subscribers: 2,500

Included
Plan card Emails: 15,000/month

Included
Plan card Email automation: Included

Standard

Plan card Role-based seats: 3

Included
Plan card A/B testing: Included
Plan card Unlimited landing pages: Included

Professional

Plan card Role-based seats: 10

Included
Plan card Advanced automation: Included
Plan card Advanced ecommerce reports: Included

How their prices changed

Each dated row shows the public prices observed when that vendor’s pricing page changed.

Plunk

August 27, 2026 Source
- Free — Free: Free
- Paid — Pay as you grow: $0.001 per email

Sender

August 27, 2026 Source
- Free Forever: Free
- Standard: USD 7 monthly
- Professional: USD 14 monthly